]>
Commit | Line | Data |
---|---|---|
04b56f3a | 1 | #!/bin/bash |
cc02093d HH |
2 | # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*- |
3 | # ex: ts=8 sw=4 sts=4 et filetype=sh | |
04b56f3a | 4 | # |
33ee031c | 5 | # functions used by dracut and other tools. |
04b56f3a | 6 | # |
33ee031c | 7 | # Copyright 2005-2009 Red Hat, Inc. All rights reserved. |
04b56f3a JK |
8 | # |
9 | # This program is free software; you can redistribute it and/or modify | |
10 | # it under the terms of the GNU General Public License as published by | |
11 | # the Free Software Foundation; either version 2 of the License, or | |
12 | # (at your option) any later version. | |
13 | # | |
14 | # This program is distributed in the hope that it will be useful, | |
15 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | # GNU General Public License for more details. | |
18 | # | |
19 | # You should have received a copy of the GNU General Public License | |
0f9c78c1 | 20 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
04b56f3a | 21 | # |
04b56f3a | 22 | |
0874654c HH |
23 | if ! [[ $dracutbasedir ]]; then |
24 | dracutbasedir=${BASH_SOURCE[0]%/*} | |
25 | [[ $dracutbasedir = "dracut-functions" ]] && dracutbasedir="." | |
26 | [[ $dracutbasedir ]] || dracutbasedir="." | |
27 | dracutbasedir="$(readlink -f $dracutbasedir)" | |
28 | fi | |
29 | ||
d6d53f60 | 30 | if ! type dinfo >/dev/null 2>&1; then |
e103615b AŻ |
31 | . "$dracutbasedir/dracut-logger" |
32 | dlog_init | |
33 | fi | |
34 | ||
3198f171 | 35 | # Generic substring function. If $2 is in $1, return 0. |
f76ef3aa | 36 | strstr() { [[ $1 =~ $2 ]]; } |
f04dc5f3 | 37 | |
87122afc AŻ |
38 | # Create all subdirectories for given path without creating the last element. |
39 | # $1 = path | |
94f49230 | 40 | mksubdirs() { mkdir -m 0755 -p ${1%/*}; } |
87122afc | 41 | |
22ecea45 AŻ |
42 | # Version comparision function. Assumes Linux style version scheme. |
43 | # $1 = version a | |
44 | # $2 = comparision op (gt, ge, eq, le, lt, ne) | |
45 | # $3 = version b | |
ecf42850 | 46 | vercmp() { |
29b10e65 | 47 | local _n1=(${1//./ }) _op=$2 _n2=(${3//./ }) _i _res |
ecf42850 | 48 | |
29b10e65 | 49 | for ((_i=0; ; _i++)) |
22ecea45 | 50 | do |
29b10e65 HH |
51 | if [[ ! ${_n1[_i]}${_n2[_i]} ]]; then _res=0 |
52 | elif ((${_n1[_i]:-0} > ${_n2[_i]:-0})); then _res=1 | |
53 | elif ((${_n1[_i]:-0} < ${_n2[_i]:-0})); then _res=2 | |
22ecea45 AŻ |
54 | else continue |
55 | fi | |
56 | break | |
ecf42850 | 57 | done |
ecf42850 | 58 | |
29b10e65 HH |
59 | case $_op in |
60 | gt) ((_res == 1));; | |
61 | ge) ((_res != 2));; | |
62 | eq) ((_res == 0));; | |
63 | le) ((_res != 1));; | |
64 | lt) ((_res == 2));; | |
65 | ne) ((_res != 0));; | |
22ecea45 | 66 | esac |
ecf42850 AŻ |
67 | } |
68 | ||
95d2dabc | 69 | is_func() { |
0b706743 | 70 | [[ $(type -t $1) = "function" ]] |
95d2dabc HH |
71 | } |
72 | ||
87122afc AŻ |
73 | # Function prints global variables in format name=value line by line. |
74 | # $@ = list of global variables' name | |
75 | print_vars() { | |
29b10e65 | 76 | local _var _value |
87122afc | 77 | |
29b10e65 | 78 | for _var in $@ |
87122afc | 79 | do |
29b10e65 HH |
80 | _value=$(eval echo \$$_var) |
81 | [[ ${_value} ]] && echo "${_var}=\"${_value}\"" | |
87122afc AŻ |
82 | done |
83 | } | |
84 | ||
626d9eba | 85 | normalize_path() { |
c44e3cb4 MS |
86 | shopt -q -s extglob |
87 | set -- "${1//+(\/)//}" | |
88 | shopt -q -u extglob | |
89 | echo "${1%/}" | |
626d9eba | 90 | } |
d4bb4316 HH |
91 | |
92 | convert_abs_rel() { | |
c44e3cb4 MS |
93 | local __current __absolute __abssize __cursize __newpath __oldifs |
94 | local -i __i __level | |
d4bb4316 HH |
95 | # PS4='${BASH_SOURCE}@${LINENO}(${FUNCNAME[0]}): '; |
96 | ||
c44e3cb4 MS |
97 | set -- "$(normalize_path "$1")" "$(normalize_path "$2")" |
98 | ||
c1609dd4 MS |
99 | # corner case #1 - self looping link |
100 | [[ "$1" == "$2" ]] && { echo "${1##*/}"; return; } | |
101 | ||
102 | # corner case #2 - own dir link | |
103 | [[ "${1%/*}" == "$2" ]] && { echo "."; return; } | |
104 | ||
c1609dd4 MS |
105 | __oldifs="$IFS" |
106 | IFS="/" | |
c44e3cb4 MS |
107 | __current=($1) |
108 | __absolute=($2) | |
c1609dd4 | 109 | IFS="$__oldifs" |
d4bb4316 HH |
110 | |
111 | __abssize=${#__absolute[@]} | |
112 | __cursize=${#__current[@]} | |
113 | ||
114 | while [[ ${__absolute[__level]} == ${__current[__level]} ]] | |
115 | do | |
116 | (( __level++ )) | |
117 | if (( __level > __abssize || __level > __cursize )) | |
118 | then | |
119 | break | |
120 | fi | |
121 | done | |
122 | ||
123 | for ((__i = __level; __i < __cursize-1; __i++)) | |
124 | do | |
125 | if ((__i > __level)) | |
126 | then | |
127 | __newpath=$__newpath"/" | |
128 | fi | |
129 | __newpath=$__newpath".." | |
130 | done | |
131 | ||
132 | for ((__i = __level; __i < __abssize; __i++)) | |
133 | do | |
134 | if [[ -n $__newpath ]] | |
135 | then | |
136 | __newpath=$__newpath"/" | |
137 | fi | |
138 | __newpath=$__newpath${__absolute[__i]} | |
139 | done | |
140 | ||
141 | echo "$__newpath" | |
142 | } | |
143 | ||
9ede1929 | 144 | get_fs_env() { |
7c179686 | 145 | [[ $1 ]] || return |
29b10e65 HH |
146 | unset ID_FS_TYPE |
147 | unset ID_FS_UUID | |
d8b9844c HH |
148 | eval $(udevadm info --query=env --name=$1|egrep 'ID_FS_(TYPE|UUID)=') |
149 | [[ $ID_FS_TYPE ]] && return | |
150 | ||
59c88f49 | 151 | if [[ -x /lib/udev/vol_id ]]; then |
cc02093d | 152 | eval $(/lib/udev/vol_id --export $1) |
9ede1929 | 153 | elif find_binary blkid >/dev/null; then |
cc02093d | 154 | eval $(blkid -o udev $1) |
59c88f49 | 155 | else |
cc02093d | 156 | return 1 |
59c88f49 | 157 | fi |
9ede1929 VL |
158 | } |
159 | ||
160 | get_fs_type() ( | |
7c179686 HH |
161 | [[ $1 ]] || return |
162 | if [[ $1 != ${1#/dev/block/nfs:} ]] \ | |
cc02093d HH |
163 | || [[ $1 != ${1#/dev/block/nfs3:} ]] \ |
164 | || [[ $1 != ${1#/dev/block/nfs4:} ]]; then | |
165 | echo "nfs" | |
166 | return | |
7c179686 | 167 | fi |
7ae5d9d1 HH |
168 | if get_fs_env $1; then |
169 | echo $ID_FS_TYPE | |
170 | return | |
171 | fi | |
172 | find_dev_fstype $1 | |
9ede1929 VL |
173 | ) |
174 | ||
175 | get_fs_uuid() ( | |
176 | get_fs_env $1 || return | |
177 | echo $ID_FS_UUID | |
59c88f49 VL |
178 | ) |
179 | ||
480d772f HH |
180 | |
181 | get_maj_min() { | |
182 | local _dev | |
426b68b2 | 183 | _dev=$(stat -L -c '$((0x%T)):$((0x%t))' "$1" 2>/dev/null) |
480d772f HH |
184 | _dev=$(eval "echo $_dev") |
185 | echo $_dev | |
186 | } | |
187 | ||
f76ef3aa | 188 | find_block_device() { |
29b10e65 | 189 | local _x _mpt _majmin _dev _fs _maj _min |
0b706743 | 190 | if [[ $use_fstab != yes ]]; then |
29b10e65 | 191 | while read _x _x _majmin _x _mpt _x _x _fs _dev _x; do |
7ae5d9d1 | 192 | [[ $_mpt = $1 ]] || continue |
29b10e65 HH |
193 | [[ $_fs = nfs ]] && { echo $_dev; return 0;} |
194 | [[ $_fs = nfs3 ]] && { echo $_dev; return 0;} | |
195 | [[ $_fs = nfs4 ]] && { echo $_dev; return 0;} | |
196 | [[ $_fs = btrfs ]] && { | |
480d772f HH |
197 | get_maj_min $_dev |
198 | return 0; | |
51c977d1 | 199 | } |
7ae5d9d1 | 200 | if [[ ${_majmin#0:} = $_majmin ]]; then |
29b10e65 | 201 | echo $_majmin |
cc02093d HH |
202 | return 0 # we have a winner! |
203 | fi | |
0b706743 | 204 | done < /proc/self/mountinfo |
7c179686 | 205 | fi |
0b706743 | 206 | # fall back to /etc/fstab |
29b10e65 HH |
207 | while read _dev _mpt _fs _x; do |
208 | if [[ $_mpt = $1 ]]; then | |
209 | [[ $_fs = nfs ]] && { echo $_dev; return 0;} | |
210 | [[ $_fs = nfs3 ]] && { echo $_dev; return 0;} | |
211 | [[ $_fs = nfs4 ]] && { echo $_dev; return 0;} | |
212 | [[ $_dev != ${_dev#UUID=} ]] && _dev=/dev/disk/by-uuid/${_dev#UUID=} | |
213 | [[ $_dev != ${_dev#LABEL=} ]] && _dev=/dev/disk/by-label/${_dev#LABEL=} | |
214 | [[ -b $_dev ]] || return 1 # oops, not a block device. | |
215 | ls -nLl "$_dev" | { | |
216 | read _x _x _x _x _maj _min _x | |
217 | _maj=${_maj//,/} | |
218 | echo $_maj:$_min | |
cc02093d HH |
219 | } && return 0 |
220 | fi | |
7c179686 | 221 | done < /etc/fstab |
0b706743 AŻ |
222 | |
223 | return 1 | |
17829e94 VL |
224 | } |
225 | ||
7ae5d9d1 HH |
226 | find_dev_fstype() { |
227 | local _x _mpt _majmin _dev _fs _maj _min | |
228 | while read _x _x _majmin _x _mpt _x _x _fs _dev _x; do | |
229 | [[ $_dev = $1 ]] || continue | |
230 | echo -n $_fs; | |
231 | return 0; | |
232 | done < /proc/self/mountinfo | |
233 | ||
234 | # fall back to /etc/fstab | |
235 | while read _dev _mpt _fs _x; do | |
236 | [[ $_dev = $1 ]] || continue | |
237 | echo -n $_fs; | |
238 | return 0; | |
239 | done < /etc/fstab | |
240 | ||
241 | return 1 | |
242 | } | |
243 | ||
244 | # finds the major:minor of the block device backing the root filesystem. | |
f76ef3aa VL |
245 | find_root_block_device() { find_block_device /; } |
246 | ||
480d772f HH |
247 | for_each_host_dev_fs() |
248 | { | |
249 | local _func="$1" | |
d0096de7 AW |
250 | local _dev |
251 | local _fs | |
480d772f HH |
252 | for f in ${host_fs_types[@]}; do |
253 | OLDIFS="$IFS" | |
254 | IFS="|" | |
255 | set -- $f | |
256 | IFS="$OLDIFS" | |
d0096de7 AW |
257 | _dev="$1" |
258 | [[ -b "$_dev" ]] || continue | |
259 | _fs="$2" | |
260 | $_func $_dev $_fs | |
480d772f HH |
261 | done |
262 | } | |
263 | ||
17829e94 VL |
264 | # Walk all the slave relationships for a given block device. |
265 | # Stop when our helper function returns success | |
266 | # $1 = function to call on every found block device | |
267 | # $2 = block device in major:minor format | |
0b706743 | 268 | check_block_and_slaves() { |
29b10e65 | 269 | local _x |
17829e94 VL |
270 | [[ -b /dev/block/$2 ]] || return 1 # Not a block device? So sorry. |
271 | "$1" $2 && return | |
533d7dc4 | 272 | check_vol_slaves "$@" && return 0 |
3478b314 | 273 | if [[ -f /sys/dev/block/$2/../dev ]]; then |
0b706743 | 274 | check_block_and_slaves $1 $(cat "/sys/dev/block/$2/../dev") && return 0 |
a3afcf2a | 275 | fi |
17829e94 | 276 | [[ -d /sys/dev/block/$2/slaves ]] || return 1 |
29b10e65 HH |
277 | for _x in /sys/dev/block/$2/slaves/*/dev; do |
278 | [[ -f $_x ]] || continue | |
279 | check_block_and_slaves $1 $(cat "$_x") && return 0 | |
17829e94 VL |
280 | done |
281 | return 1 | |
282 | } | |
283 | ||
533d7dc4 | 284 | get_numeric_dev() { |
29b10e65 HH |
285 | local _x _maj _min |
286 | ls -lH "$1" | { read _x _x _x _x _maj _min _x; printf "%d:%d" ${_maj%%,} $_min; } | |
533d7dc4 HH |
287 | } |
288 | ||
289 | # ugly workaround for the lvm design | |
290 | # There is no volume group device, | |
291 | # so, there are no slave devices for volume groups. | |
292 | # Logical volumes only have the slave devices they really live on, | |
293 | # but you cannot create the logical volume without the volume group. | |
95bde758 | 294 | # And the volume group might be bigger than the devices the LV needs. |
533d7dc4 | 295 | check_vol_slaves() { |
29b10e65 | 296 | local _lv _vg _pv |
0b706743 | 297 | for i in /dev/mapper/*; do |
29b10e65 HH |
298 | _lv=$(get_numeric_dev $i) |
299 | if [[ $_lv = $2 ]]; then | |
300 | _vg=$(lvm lvs --noheadings -o vg_name $i 2>/dev/null) | |
cc02093d | 301 | # strip space |
29b10e65 HH |
302 | _vg=$(echo $_vg) |
303 | if [[ $_vg ]]; then | |
304 | for _pv in $(lvm vgs --noheadings -o pv_name "$_vg" 2>/dev/null) | |
0b706743 | 305 | do |
29b10e65 | 306 | check_block_and_slaves $1 $(get_numeric_dev $_pv) && return 0 |
cc02093d HH |
307 | done |
308 | fi | |
309 | fi | |
533d7dc4 HH |
310 | done |
311 | return 1 | |
312 | } | |
313 | ||
19612483 | 314 | # Install a directory, keeping symlinks as on the original system. |
3f590c78 | 315 | # Example: if /lib points to /lib64 on the host, "inst_dir /lib/file" |
19612483 LA |
316 | # will create ${initdir}/lib64, ${initdir}/lib64/file, |
317 | # and a symlink ${initdir}/lib -> lib64. | |
318 | inst_dir() { | |
4637c5c2 | 319 | [[ -e ${initdir}/"$1" ]] && return 0 # already there |
a76dc278 | 320 | |
9e103df4 | 321 | local _dir="$1" _part="${1%/*}" _file |
4637c5c2 | 322 | while [[ "$_part" != "${_part%/*}" ]] && ! [[ -e "${initdir}/${_part}" ]]; do |
a76dc278 HH |
323 | _dir="$_part $_dir" |
324 | _part=${_part%/*} | |
325 | done | |
19612483 | 326 | |
a76dc278 HH |
327 | # iterate over parent directories |
328 | for _file in $_dir; do | |
29b10e65 | 329 | if [[ -L $_file ]]; then |
19612483 | 330 | # create link as the original |
2ae52e64 | 331 | local target=$(readlink -f "$_file") |
7b07f4e8 HH |
332 | # resolve relative path and recursively install destination |
333 | [[ $target == ${target#/} ]] && target="$(dirname "$_file")/$target" | |
19612483 | 334 | inst_dir "$target" |
d4bb4316 | 335 | inst_symlink "$_file" |
19612483 | 336 | else |
b0188533 | 337 | [[ -h ${initdir}/$_file ]] && _file=$(readlink "${initdir}/$_file") |
19612483 | 338 | # create directory |
b0188533 | 339 | [[ -e "${initdir}/$_file" ]] || mkdir -m 0755 -p "${initdir}/$_file" || return 1 |
2627d8a3 | 340 | if [[ -d "$_file" ]]; then |
b0188533 HH |
341 | chmod --reference="$_file" "${initdir}/$_file" |
342 | chmod u+w "${initdir}/$_file" | |
2627d8a3 | 343 | fi |
19612483 LA |
344 | fi |
345 | done | |
346 | } | |
347 | ||
36b24d7c VL |
348 | # $1 = file to copy to ramdisk |
349 | # $2 (optional) Name for the file on the ramdisk | |
350 | # Location of the image dir is assumed to be $initdir | |
3198f171 | 351 | # We never overwrite the target if it exists. |
36b24d7c | 352 | inst_simple() { |
4637c5c2 HH |
353 | [[ -f "$1" ]] || return 1 |
354 | strstr "$1" "/" || return 1 | |
3f590c78 JR |
355 | |
356 | local _src=$1 target="${2:-$1}" | |
4637c5c2 HH |
357 | if ! [[ -d ${initdir}/$target ]]; then |
358 | [[ -e ${initdir}/$target ]] && return 0 | |
359 | [[ -h ${initdir}/$target ]] && return 0 | |
3c56f372 HH |
360 | inst_dir "${target%/*}" |
361 | fi | |
5242d8fb | 362 | # install checksum files also |
29b10e65 | 363 | if [[ -e "${_src%/*}/.${_src##*/}.hmac" ]]; then |
5f06f0c3 | 364 | inst "${_src%/*}/.${_src##*/}.hmac" "${target%/*}/.${target##*/}.hmac" |
5242d8fb | 365 | fi |
29b10e65 | 366 | ddebug "Installing $_src" |
7fffc9f1 | 367 | cp --sparse=always -pfL "$_src" "${initdir}/$target" |
36b24d7c VL |
368 | } |
369 | ||
a10a1416 AŻ |
370 | # find symlinks linked to given library file |
371 | # $1 = library file | |
372 | # Function searches for symlinks by stripping version numbers appended to | |
373 | # library filename, checks if it points to the same target and finally | |
374 | # prints the list of symlinks to stdout. | |
375 | # | |
376 | # Example: | |
377 | # rev_lib_symlinks libfoo.so.8.1 | |
378 | # output: libfoo.so.8 libfoo.so | |
379 | # (Only if libfoo.so.8 and libfoo.so exists on host system.) | |
380 | rev_lib_symlinks() { | |
381 | [[ ! $1 ]] && return 0 | |
382 | ||
383 | local fn="$1" orig="$(readlink -f "$1")" links='' | |
384 | ||
385 | [[ ${fn} =~ .*\.so\..* ]] || return 1 | |
386 | ||
387 | until [[ ${fn##*.} == so ]]; do | |
388 | fn="${fn%.*}" | |
389 | [[ -L ${fn} && $(readlink -f "${fn}") == ${orig} ]] && links+=" ${fn}" | |
390 | done | |
391 | ||
0b706743 | 392 | echo "${links}" |
a10a1416 AŻ |
393 | } |
394 | ||
95bde758 | 395 | # Same as above, but specialized to handle dynamic libraries. |
3198f171 VL |
396 | # It handles making symlinks according to how the original library |
397 | # is referenced. | |
36b24d7c | 398 | inst_library() { |
4637c5c2 HH |
399 | local _src="$1" _dest=${2:-$1} _lib _reallib _symlink |
400 | strstr "$1" "/" || return 1 | |
401 | [[ -e $initdir/$_dest ]] && return 0 | |
29b10e65 | 402 | if [[ -L $_src ]]; then |
0b706743 | 403 | # install checksum files also |
29b10e65 | 404 | if [[ -e "${_src%/*}/.${_src##*/}.hmac" ]]; then |
5f06f0c3 | 405 | inst "${_src%/*}/.${_src##*/}.hmac" "${_dest%/*}/.${_dest##*/}.hmac" |
f90fd5b3 | 406 | fi |
29b10e65 | 407 | _reallib=$(readlink -f "$_src") |
29b10e65 HH |
408 | inst_simple "$_reallib" "$_reallib" |
409 | inst_dir "${_dest%/*}" | |
4637c5c2 | 410 | ln -sfn $(convert_abs_rel "${_dest}" "${_reallib}") "${initdir}/${_dest}" |
36b24d7c | 411 | else |
29b10e65 | 412 | inst_simple "$_src" "$_dest" |
36b24d7c | 413 | fi |
a10a1416 AŻ |
414 | |
415 | # Create additional symlinks. See rev_symlinks description. | |
29b10e65 | 416 | for _symlink in $(rev_lib_symlinks $_src) $(rev_lib_symlinks $_reallib); do |
4637c5c2 | 417 | [[ ! -e $initdir/$_symlink ]] && { |
29b10e65 HH |
418 | ddebug "Creating extra symlink: $_symlink" |
419 | inst_symlink $_symlink | |
a10a1416 AŻ |
420 | } |
421 | done | |
36b24d7c | 422 | } |
3198f171 VL |
423 | |
424 | # find a binary. If we were not passed the full path directly, | |
425 | # search in the usual places to find the binary. | |
6b25d71a | 426 | find_binary() { |
81c6e7fb HH |
427 | if [[ -z ${1##/*} ]]; then |
428 | if [[ -x $1 ]] || ldd $1 &>/dev/null; then | |
429 | echo $1 | |
430 | return 0 | |
431 | fi | |
432 | fi | |
1610a566 HH |
433 | |
434 | PATH="/usr/sbin:/sbin:/usr/bin:/bin" type -P $1 | |
3359c8da | 435 | } |
36b24d7c | 436 | |
3198f171 VL |
437 | # Same as above, but specialized to install binary executables. |
438 | # Install binary executable, and all shared library dependencies, if any. | |
36b24d7c | 439 | inst_binary() { |
29b10e65 | 440 | local _bin _target _f _self _so_regex _lib_regex _tlibdir _base _file _line |
09a19bb1 | 441 | |
29b10e65 HH |
442 | _bin=$(find_binary "$1") || return 1 |
443 | _target=${2:-$_bin} | |
444 | inst_symlink $_bin $_target && return 0 | |
4637c5c2 | 445 | [[ -e $initdir/$_target ]] && return 0 |
09a19bb1 MS |
446 | |
447 | # If the binary being installed is also a library, add it to the loop. | |
29b10e65 HH |
448 | _so_regex='([^ ]*/lib[^/]*/[^ ]*\.so[^ ]*)' |
449 | [[ $_bin =~ $_so_regex ]] && _self="\t${_bin##*/} => ${_bin} (0x0)\n" | |
09a19bb1 | 450 | |
29b10e65 | 451 | _lib_regex='^(/lib[^/]*).*' |
8667f2b7 | 452 | # I love bash! |
29b10e65 HH |
453 | { LC_ALL=C ldd $_bin 2>/dev/null; echo -en "$_self"; } | while read _line; do |
454 | [[ $_line = 'not a dynamic executable' ]] && return 1 | |
455 | if [[ $_line =~ not\ found ]]; then | |
456 | dfatal "Missing a shared library required by $_bin." | |
457 | dfatal "Run \"ldd $_bin\" to find out what it is." | |
e27770e1 | 458 | dfatal "dracut cannot create an initrd." |
cc02093d HH |
459 | exit 1 |
460 | fi | |
29b10e65 HH |
461 | [[ $_line =~ $_so_regex ]] || continue |
462 | _file=${BASH_REMATCH[1]} | |
4637c5c2 | 463 | [[ -e ${initdir}/$_file ]] && continue |
09a19bb1 MS |
464 | |
465 | # See if we are loading an optimized version of a shared lib. | |
29b10e65 HH |
466 | if [[ $_file =~ $_lib_regex ]]; then |
467 | _tlibdir=${BASH_REMATCH[1]} | |
468 | _base=${_file##*/} | |
09a19bb1 | 469 | # Prefer nosegneg libs to unoptimized ones. |
29b10e65 HH |
470 | for _f in "$_tlibdir/i686/nosegneg" "$_tlibdir"; do |
471 | [[ -e $_f/$_base ]] || continue | |
472 | _file=$_f/$_base | |
cc02093d HH |
473 | break |
474 | done | |
29b10e65 | 475 | inst_library "$_file" "$_tlibdir/$_base" |
09a19bb1 | 476 | else |
29b10e65 | 477 | inst_library "$_file" |
09a19bb1 | 478 | fi |
5c862533 | 479 | done |
09a19bb1 MS |
480 | |
481 | # Install the binary if it wasn't handled in the above loop. | |
29b10e65 | 482 | [[ -z $_self ]] && inst_simple "$_bin" "$_target" |
36b24d7c | 483 | } |
04b56f3a | 484 | |
36b24d7c VL |
485 | # same as above, except for shell scripts. |
486 | # If your shell script does not start with shebang, it is not a shell script. | |
487 | inst_script() { | |
4637c5c2 HH |
488 | local _bin |
489 | _bin=$(find_binary "$1") || return 1 | |
f60995ad | 490 | shift |
29b10e65 | 491 | local _line _shebang_regex |
4637c5c2 | 492 | read -r -n 80 _line <"$_bin" |
00531568 | 493 | # If debug is set, clean unprintable chars to prevent messing up the term |
29b10e65 HH |
494 | [[ $debug ]] && _line=$(echo -n "$_line" | tr -c -d '[:print:][:space:]') |
495 | _shebang_regex='(#! *)(/[^ ]+).*' | |
496 | [[ $_line =~ $_shebang_regex ]] || return 1 | |
03cec388 | 497 | inst "${BASH_REMATCH[2]}" && inst_simple "$_bin" "$@" |
04b56f3a JK |
498 | } |
499 | ||
36b24d7c VL |
500 | # same as above, but specialized for symlinks |
501 | inst_symlink() { | |
4637c5c2 HH |
502 | local _src=$1 _target=$initdir/${2:-$1} _realsrc |
503 | strstr "$1" "/" || return 1 | |
36b24d7c | 504 | [[ -L $1 ]] || return 1 |
29b10e65 HH |
505 | [[ -L $_target ]] && return 0 |
506 | _realsrc=$(readlink -f "$_src") | |
507 | [[ $_realsrc = ${_realsrc##*/} ]] && _realsrc=${_src%/*}/$_realsrc | |
c3b0d83d HH |
508 | if [[ -d $_realsrc ]]; then |
509 | inst_dir "$_realsrc" | |
510 | else | |
7fffc9f1 | 511 | inst "$_realsrc" && mkdir -m 0755 -p "${_target%/*}" |
c3b0d83d HH |
512 | fi |
513 | if [[ -e "${_src}" ]]; then | |
d4bb4316 | 514 | ln -sfn $(convert_abs_rel "${_src}" "${_realsrc}") "$_target" |
c3b0d83d | 515 | else |
29b10e65 | 516 | ln -sfn "$_realsrc" "$_target" |
c3b0d83d | 517 | fi |
36b24d7c VL |
518 | } |
519 | ||
62073c30 CG |
520 | # attempt to install any programs specified in a udev rule |
521 | inst_rule_programs() { | |
522 | local _prog _bin | |
523 | ||
524 | if grep -qE 'PROGRAM==?"[^ "]+' "$1"; then | |
525 | for _prog in $(grep -E 'PROGRAM==?"[^ "]+' "$1" | sed -r 's/.*PROGRAM==?"([^ "]+).*/\1/'); do | |
526 | if [ -x /lib/udev/$_prog ]; then | |
527 | _bin=/lib/udev/$_prog | |
528 | else | |
529 | _bin=$(find_binary "$_prog") || { | |
530 | dinfo "Skipping program $_prog using in udev rule $(basename $1) as it cannot be found" | |
531 | continue; | |
532 | } | |
533 | fi | |
534 | ||
535 | #dinfo "Installing $_bin due to it's use in the udev rule $(basename $1)" | |
536 | dracut_install "$_bin" | |
537 | done | |
538 | fi | |
539 | } | |
540 | ||
f04dc5f3 VL |
541 | # udev rules always get installed in the same place, so |
542 | # create a function to install them to make life simpler. | |
0b706743 | 543 | inst_rules() { |
29b10e65 | 544 | local _target=/etc/udev/rules.d _rule _found |
fd2312e0 | 545 | |
19612483 | 546 | inst_dir "/lib/udev/rules.d" |
29b10e65 HH |
547 | inst_dir "$_target" |
548 | for _rule in "$@"; do | |
08769b7f | 549 | if [ "${rule#/}" = "$rule" ]; then |
76f5fa54 HH |
550 | for r in /lib/udev/rules.d /etc/udev/rules.d; do |
551 | if [[ -f $r/$_rule ]]; then | |
552 | _found="$r/$_rule" | |
553 | inst_simple "$_found" | |
62073c30 | 554 | inst_rule_programs "$_found" |
76f5fa54 HH |
555 | fi |
556 | done | |
557 | fi | |
c97e1a76 | 558 | for r in '' ./ $dracutbasedir/rules.d/; do |
29b10e65 HH |
559 | if [[ -f ${r}$_rule ]]; then |
560 | _found="${r}$_rule" | |
561 | inst_simple "$_found" "$_target/${_found##*/}" | |
62073c30 | 562 | inst_rule_programs "$_found" |
c97e1a76 HH |
563 | fi |
564 | done | |
29b10e65 | 565 | [[ $_found ]] || dinfo "Skipping udev rule: $_rule" |
f04dc5f3 VL |
566 | done |
567 | } | |
568 | ||
36b24d7c VL |
569 | # general purpose installation function |
570 | # Same args as above. | |
6b24de99 | 571 | inst() { |
29b10e65 HH |
572 | local _x |
573 | ||
94dcc5b8 HH |
574 | case $# in |
575 | 1) ;; | |
3478b314 | 576 | 2) [[ ! $initdir && -d $2 ]] && export initdir=$2 |
cc02093d | 577 | [[ $initdir = $2 ]] && set $1;; |
0b706743 | 578 | 3) [[ -z $initdir ]] && export initdir=$2 |
cc02093d | 579 | set $1 $3;; |
e27770e1 | 580 | *) dfatal "inst only takes 1 or 2 or 3 arguments" |
cc02093d | 581 | exit 1;; |
94dcc5b8 | 582 | esac |
29b10e65 HH |
583 | for _x in inst_symlink inst_script inst_binary inst_simple; do |
584 | $_x "$@" && return 0 | |
36b24d7c VL |
585 | done |
586 | return 1 | |
04b56f3a JK |
587 | } |
588 | ||
0b53ca70 HH |
589 | [[ $hookdirs ]] || { |
590 | hookdirs="cmdline pre-udev pre-trigger netroot initqueue pre-mount" | |
d670e219 | 591 | hookdirs+=" pre-pivot mount emergency shutdown-emergency shutdown" |
0b53ca70 HH |
592 | export hookdirs |
593 | } | |
594 | ||
53f95456 VL |
595 | # install function specialized for hooks |
596 | # $1 = type of hook, $2 = hook priority (lower runs first), $3 = hook | |
597 | # All hooks should be POSIX/SuS compliant, they will be sourced by init. | |
598 | inst_hook() { | |
cdad82fd | 599 | if ! [[ -f $3 ]]; then |
e27770e1 AŻ |
600 | dfatal "Cannot install a hook ($3) that does not exist." |
601 | dfatal "Aborting initrd creation." | |
cc02093d | 602 | exit 1 |
cdad82fd | 603 | elif ! strstr "$hookdirs" "$1"; then |
3b403b32 | 604 | dfatal "No such hook type $1. Aborting initrd creation." |
cc02093d | 605 | exit 1 |
cdad82fd | 606 | fi |
0b53ca70 | 607 | inst_simple "$3" "/lib/dracut/hooks/${1}/${2}${3##*/}" |
53f95456 VL |
608 | } |
609 | ||
3378a54f AŻ |
610 | # install any of listed files |
611 | # | |
612 | # If first argument is '-d' and second some destination path, first accessible | |
613 | # source is installed into this path, otherwise it will installed in the same | |
614 | # path as source. If none of listed files was installed, function return 1. | |
615 | # On first successful installation it returns with 0 status. | |
616 | # | |
617 | # Example: | |
618 | # | |
619 | # inst_any -d /bin/foo /bin/bar /bin/baz | |
620 | # | |
621 | # Lets assume that /bin/baz exists, so it will be installed as /bin/foo in | |
622 | # initramfs. | |
623 | inst_any() { | |
624 | local to f | |
625 | ||
626 | [[ $1 = '-d' ]] && to="$2" && shift 2 | |
627 | ||
628 | for f in "$@"; do | |
629 | if [[ -e $f ]]; then | |
630 | [[ $to ]] && inst "$f" "$to" && return 0 | |
631 | inst "$f" && return 0 | |
632 | fi | |
633 | done | |
634 | ||
635 | return 1 | |
636 | } | |
637 | ||
f4fff04e | 638 | dracut_install() { |
29b10e65 | 639 | local _optional=no |
0b706743 | 640 | if [[ $1 = '-o' ]]; then |
29b10e65 | 641 | _optional=yes |
cc02093d | 642 | shift |
bd4c4bcb | 643 | fi |
f4fff04e | 644 | while (($# > 0)); do |
cc02093d | 645 | if ! inst "$1" ; then |
29b10e65 | 646 | if [[ $_optional = yes ]]; then |
a4c235ed | 647 | dinfo "Skipping program $1 as it cannot be found and is" \ |
e27770e1 | 648 | "flagged to be optional" |
cc02093d | 649 | else |
e27770e1 | 650 | dfatal "Failed to install $1" |
cc02093d | 651 | exit 1 |
bd4c4bcb | 652 | fi |
cc02093d HH |
653 | fi |
654 | shift | |
f4fff04e VL |
655 | done |
656 | } | |
657 | ||
87122afc AŻ |
658 | # install function decompressing the target and handling symlinks |
659 | # $@ = list of compressed (gz or bz2) files or symlinks pointing to such files | |
660 | # | |
661 | # Function install targets in the same paths inside overlay but decompressed | |
662 | # and without extensions (.gz, .bz2). | |
663 | inst_decompress() { | |
29b10e65 | 664 | local _src _dst _realsrc _realdst _cmd |
87122afc | 665 | |
29b10e65 | 666 | for _src in $@ |
87122afc | 667 | do |
29b10e65 HH |
668 | case ${_src} in |
669 | *.gz) _cmd='gzip -d' ;; | |
670 | *.bz2) _cmd='bzip2 -d' ;; | |
87122afc AŻ |
671 | *) return 1 ;; |
672 | esac | |
673 | ||
29b10e65 | 674 | if [[ -L ${_src} ]] |
87122afc | 675 | then |
29b10e65 HH |
676 | _realsrc="$(readlink -f ${_src})" # symlink target with extension |
677 | _dst="${_src%.*}" # symlink without extension | |
678 | _realdst="${_realsrc%.*}" # symlink target without extension | |
679 | mksubdirs "${initdir}/${_src}" | |
87122afc | 680 | # Create symlink without extension to target without extension. |
29b10e65 | 681 | ln -sfn "${_realdst}" "${initdir}/${_dst}" |
87122afc AŻ |
682 | fi |
683 | ||
684 | # If the source is symlink we operate on its target. | |
29b10e65 HH |
685 | [[ ${_realsrc} ]] && _src=${_realsrc} |
686 | inst ${_src} | |
87122afc AŻ |
687 | # Decompress with chosen tool. We assume that tool changes name e.g. |
688 | # from 'name.gz' to 'name'. | |
29b10e65 | 689 | ${_cmd} "${initdir}${_src}" |
87122afc AŻ |
690 | done |
691 | } | |
692 | ||
693 | # It's similar to above, but if file is not compressed, performs standard | |
694 | # install. | |
695 | # $@ = list of files | |
696 | inst_opt_decompress() { | |
29b10e65 | 697 | local _src |
87122afc | 698 | |
29b10e65 | 699 | for _src in $@ |
87122afc | 700 | do |
29b10e65 | 701 | inst_decompress "${_src}" || inst "${_src}" |
87122afc AŻ |
702 | done |
703 | } | |
704 | ||
95d2dabc | 705 | module_check() { |
29b10e65 HH |
706 | local _moddir=$(echo ${dracutbasedir}/modules.d/??${1}) |
707 | local _ret | |
31f1c02d AW |
708 | local _forced=0 |
709 | local _hostonly=$hostonly | |
710 | [ $# -eq 2 ] && _forced=$2 | |
29b10e65 HH |
711 | [[ -d $_moddir ]] || return 1 |
712 | if [[ ! -f $_moddir/module-setup.sh ]]; then | |
95d2dabc | 713 | # if we do not have a check script, we are unconditionally included |
29b10e65 | 714 | [[ -x $_moddir/check ]] || return 0 |
31f1c02d | 715 | [ $_forced -ne 0 ] && unset hostonly |
29b10e65 | 716 | $_moddir/check $hostonly |
31f1c02d | 717 | _ret=$? |
95d2dabc HH |
718 | else |
719 | unset check depends install installkernel | |
29b10e65 | 720 | . $_moddir/module-setup.sh |
95d2dabc | 721 | is_func check || return 0 |
31f1c02d AW |
722 | [ $_forced -ne 0 ] && unset hostonly |
723 | check $hostonly | |
29b10e65 | 724 | _ret=$? |
95d2dabc | 725 | unset check depends install installkernel |
0c2e3d12 | 726 | fi |
31f1c02d AW |
727 | hostonly=$_hostonly |
728 | return $_ret | |
0c2e3d12 VL |
729 | } |
730 | ||
95d2dabc | 731 | module_depends() { |
29b10e65 HH |
732 | local _moddir=$(echo ${dracutbasedir}/modules.d/??${1}) |
733 | local _ret | |
734 | [[ -d $_moddir ]] || return 1 | |
735 | if [[ ! -f $_moddir/module-setup.sh ]]; then | |
95d2dabc | 736 | # if we do not have a check script, we have no deps |
29b10e65 HH |
737 | [[ -x $_moddir/check ]] || return 0 |
738 | $_moddir/check -d | |
95d2dabc HH |
739 | return $? |
740 | else | |
741 | unset check depends install installkernel | |
29b10e65 | 742 | . $_moddir/module-setup.sh |
95d2dabc HH |
743 | is_func depends || return 0 |
744 | depends | |
29b10e65 | 745 | _ret=$? |
95d2dabc | 746 | unset check depends install installkernel |
29b10e65 | 747 | return $_ret |
33ee031c | 748 | fi |
0c2e3d12 VL |
749 | } |
750 | ||
95d2dabc | 751 | module_install() { |
29b10e65 HH |
752 | local _moddir=$(echo ${dracutbasedir}/modules.d/??${1}) |
753 | local _ret | |
754 | [[ -d $_moddir ]] || return 1 | |
755 | if [[ ! -f $_moddir/module-setup.sh ]]; then | |
756 | [[ -x $_moddir/install ]] && . "$_moddir/install" | |
95d2dabc HH |
757 | return $? |
758 | else | |
759 | unset check depends install installkernel | |
29b10e65 | 760 | . $_moddir/module-setup.sh |
95d2dabc HH |
761 | is_func install || return 0 |
762 | install | |
29b10e65 | 763 | _ret=$? |
95d2dabc | 764 | unset check depends install installkernel |
29b10e65 | 765 | return $_ret |
95d2dabc HH |
766 | fi |
767 | } | |
768 | ||
769 | module_installkernel() { | |
29b10e65 HH |
770 | local _moddir=$(echo ${dracutbasedir}/modules.d/??${1}) |
771 | local _ret | |
772 | [[ -d $_moddir ]] || return 1 | |
773 | if [[ ! -f $_moddir/module-setup.sh ]]; then | |
774 | [[ -x $_moddir/installkernel ]] && . "$_moddir/installkernel" | |
95d2dabc HH |
775 | return $? |
776 | else | |
777 | unset check depends install installkernel | |
29b10e65 | 778 | . $_moddir/module-setup.sh |
95d2dabc HH |
779 | is_func installkernel || return 0 |
780 | installkernel | |
29b10e65 | 781 | _ret=$? |
95d2dabc | 782 | unset check depends install installkernel |
29b10e65 | 783 | return $_ret |
95d2dabc HH |
784 | fi |
785 | } | |
786 | ||
1b7fd0fa AW |
787 | module_check_mount() { |
788 | local _moddir=$(echo ${dracutbasedir}/modules.d/??${1}) | |
789 | local _ret | |
790 | mount_needs=1 | |
791 | [[ -d $_moddir ]] || return 1 | |
792 | if [[ ! -f $_moddir/module-setup.sh ]]; then | |
793 | # if we do not have a check script, we are unconditionally included | |
794 | [[ -x $_moddir/check ]] || return 0 | |
795 | mount_needs=1 $_moddir/check 0 | |
796 | _ret=$? | |
797 | else | |
798 | unset check depends install installkernel | |
799 | . $_moddir/module-setup.sh | |
800 | is_func check || return 1 | |
801 | check 0 | |
802 | _ret=$? | |
803 | unset check depends install installkernel | |
804 | fi | |
805 | unset mount_needs | |
806 | return $_ret | |
807 | } | |
808 | ||
809 | check_mount() { | |
810 | local _mod=$1 | |
811 | local _moddir=$(echo ${dracutbasedir}/modules.d/??${1}) | |
812 | local _ret | |
813 | local _moddep | |
814 | # If we are already scheduled to be loaded, no need to check again. | |
815 | strstr " $mods_to_load " " $_mod " && return 0 | |
816 | strstr " $mods_checked_as_dep " " $_mod " && return 1 | |
817 | ||
818 | # This should never happen, but... | |
819 | [[ -d $_moddir ]] || return 1 | |
820 | ||
821 | [[ $2 ]] || mods_checked_as_dep+=" $_mod " | |
822 | ||
823 | strstr " $omit_dracutmodules " " $_mod " && return 1 | |
824 | ||
825 | if [ "${#host_fs_types[*]}" -gt 0 ]; then | |
826 | module_check_mount $_mod || return 1 | |
827 | else | |
828 | # skip this module | |
829 | return 1 | |
830 | fi | |
831 | ||
832 | for _moddep in $(module_depends $_mod); do | |
833 | # handle deps as if they were manually added | |
834 | strstr " $add_dracutmodules " " $_moddep " || \ | |
835 | add_dracutmodules+=" $_moddep " | |
836 | strstr " $force_add_dracutmodules " " $_moddep " || \ | |
837 | force_add_dracutmodules+=" $_moddep " | |
838 | # if a module we depend on fail, fail also | |
839 | check_module $_moddep || return 1 | |
840 | done | |
841 | ||
842 | strstr " $mods_to_load " " $_mod " || \ | |
843 | mods_to_load+=" $_mod " | |
844 | ||
845 | return 0 | |
846 | } | |
847 | ||
95d2dabc | 848 | check_module() { |
29b10e65 HH |
849 | local _mod=$1 |
850 | local _moddir=$(echo ${dracutbasedir}/modules.d/??${1}) | |
851 | local _ret | |
852 | local _moddep | |
95d2dabc | 853 | # If we are already scheduled to be loaded, no need to check again. |
29b10e65 HH |
854 | strstr " $mods_to_load " " $_mod " && return 0 |
855 | strstr " $mods_checked_as_dep " " $_mod " && return 1 | |
95d2dabc HH |
856 | |
857 | # This should never happen, but... | |
29b10e65 | 858 | [[ -d $_moddir ]] || return 1 |
95d2dabc | 859 | |
29b10e65 | 860 | [[ $2 ]] || mods_checked_as_dep+=" $_mod " |
95d2dabc | 861 | |
29b10e65 | 862 | strstr " $omit_dracutmodules " " $_mod " && return 1 |
95d2dabc | 863 | |
31f1c02d AW |
864 | if strstr " $dracutmodules $add_dracutmodules $force_add_dracutmodules" " $_mod "; then |
865 | if strstr " $force_add_dracutmodules" " $_mod"; then | |
866 | module_check $_mod 1; ret=$? | |
867 | else | |
868 | module_check $_mod 0; ret=$? | |
869 | fi | |
95d2dabc HH |
870 | # explicit module, so also accept ret=255 |
871 | [[ $ret = 0 || $ret = 255 ]] || return 1 | |
872 | else | |
873 | # module not in our list | |
874 | if [[ $dracutmodules = all ]]; then | |
875 | # check, if we can and should install this module | |
29b10e65 | 876 | module_check $_mod || return 1 |
cc02093d | 877 | else |
95d2dabc HH |
878 | # skip this module |
879 | return 1 | |
970e646b | 880 | fi |
95d2dabc | 881 | fi |
bb764545 | 882 | |
29b10e65 | 883 | for _moddep in $(module_depends $_mod); do |
95d2dabc | 884 | # handle deps as if they were manually added |
29b10e65 HH |
885 | strstr " $add_dracutmodules " " $_moddep " || \ |
886 | add_dracutmodules+=" $_moddep " | |
31f1c02d AW |
887 | strstr " $force_add_dracutmodules " " $_moddep " || \ |
888 | force_add_dracutmodules+=" $_moddep " | |
95d2dabc | 889 | # if a module we depend on fail, fail also |
29b10e65 | 890 | check_module $_moddep || return 1 |
0c2e3d12 | 891 | done |
70503db4 | 892 | |
29b10e65 HH |
893 | strstr " $mods_to_load " " $_mod " || \ |
894 | mods_to_load+=" $_mod " | |
95d2dabc HH |
895 | |
896 | return 0 | |
897 | } | |
898 | ||
1b7fd0fa | 899 | for_each_module_dir() { |
29b10e65 HH |
900 | local _modcheck |
901 | local _mod | |
902 | local _moddir | |
1b7fd0fa AW |
903 | local _func |
904 | _func=$1 | |
29b10e65 HH |
905 | for _moddir in "$dracutbasedir/modules.d"/[0-9][0-9]*; do |
906 | _mod=${_moddir##*/}; _mod=${_mod#[0-9][0-9]} | |
1b7fd0fa | 907 | $_func $_mod 1 |
70503db4 | 908 | done |
724b87a6 HH |
909 | |
910 | # Report any missing dracut modules, the user has specified | |
31f1c02d | 911 | _modcheck="$add_dracutmodules $force_add_dracutmodules" |
29b10e65 HH |
912 | [[ $dracutmodules != all ]] && _modcheck="$m $dracutmodules" |
913 | for _mod in $_modcheck; do | |
914 | strstr "$mods_to_load" "$_mod" && continue | |
915 | strstr "$omit_dracutmodules" "$_mod" && continue | |
916 | derror "Dracut module \"$_mod\" cannot be found." | |
724b87a6 | 917 | done |
0c2e3d12 VL |
918 | } |
919 | ||
ddfd1d10 VL |
920 | # Install a single kernel module along with any firmware it may require. |
921 | # $1 = full path to kernel module to install | |
922 | install_kmod_with_fw() { | |
0b440844 | 923 | # no need to go further if the module is already installed |
0b706743 AŻ |
924 | [[ -e "${initdir}/lib/modules/$kernel/${1##*/lib/modules/$kernel/}" ]] \ |
925 | && return 0 | |
926 | inst_simple "$1" "/lib/modules/$kernel/${1##*/lib/modules/$kernel/}" \ | |
927 | || return $? | |
e6024e00 JR |
928 | |
929 | local _modname=${1##*/} _fwdir _found _fw | |
930 | _modname=${_modname%.ko*} | |
29b10e65 HH |
931 | for _fw in $(modinfo -k $kernel -F firmware $1 2>/dev/null); do |
932 | _found='' | |
933 | for _fwdir in $fw_dir; do | |
934 | if [[ -d $_fwdir && -f $_fwdir/$_fw ]]; then | |
935 | inst_simple "$_fwdir/$_fw" "/lib/firmware/$_fw" | |
936 | _found=yes | |
cc02093d HH |
937 | fi |
938 | done | |
29b10e65 HH |
939 | if [[ $_found != yes ]]; then |
940 | if ! grep -qe "\<${_modname//-/_}\>" /proc/modules; then | |
941 | dinfo "Possible missing firmware \"${_fw}\" for kernel module" \ | |
942 | "\"${_modname}.ko\"" | |
e2cdb570 | 943 | else |
29b10e65 HH |
944 | dwarn "Possible missing firmware \"${_fw}\" for kernel module" \ |
945 | "\"${_modname}.ko\"" | |
e2cdb570 | 946 | fi |
cc02093d | 947 | fi |
ddfd1d10 | 948 | done |
0b440844 | 949 | return 0 |
ddfd1d10 VL |
950 | } |
951 | ||
952 | # Do something with all the dependencies of a kernel module. | |
953 | # Note that kernel modules depend on themselves using the technique we use | |
0b706743 AŻ |
954 | # $1 = function to call for each dependency we find |
955 | # It will be passed the full path to the found kernel module | |
ddfd1d10 VL |
956 | # $2 = module to get dependencies for |
957 | # rest of args = arguments to modprobe | |
c32bda6b | 958 | # _fderr specifies FD passed from surrounding scope |
ddfd1d10 | 959 | for_each_kmod_dep() { |
29b10e65 | 960 | local _func=$1 _kmod=$2 _cmd _modpath _options _found=0 |
ddfd1d10 | 961 | shift 2 |
c32bda6b | 962 | modprobe "$@" --ignore-install --show-depends $_kmod 2>&${_fderr} | ( |
29b10e65 HH |
963 | while read _cmd _modpath _options; do |
964 | [[ $_cmd = insmod ]] || continue | |
965 | $_func ${_modpath} || exit $? | |
966 | _found=1 | |
0b706743 | 967 | done |
29b10e65 | 968 | [[ $_found -eq 0 ]] && exit 1 |
0b706743 AŻ |
969 | exit 0 |
970 | ) | |
ddfd1d10 VL |
971 | } |
972 | ||
4073c815 HH |
973 | # filter kernel modules to install certain modules that meet specific |
974 | # requirements. | |
975 | # $1 = search only in subdirectory of /kernel/$1 | |
976 | # $2 = function to call with module name to filter. | |
977 | # This function will be passed the full path to the module to test. | |
978 | # The behaviour of this function can vary depending on whether $hostonly is set. | |
979 | # If it is, we will only look at modules that are already in memory. | |
980 | # If it is not, we will look at all kernel modules | |
981 | # This function returns the full filenames of modules that match $1 | |
982 | filter_kernel_modules_by_path () ( | |
983 | local _modname _filtercmd | |
984 | if ! [[ $hostonly ]]; then | |
985 | _filtercmd='find "$srcmods/kernel/$1" "$srcmods/extra"' | |
986 | _filtercmd+=' "$srcmods/weak-updates" -name "*.ko" -o -name "*.ko.gz"' | |
7fffc9f1 | 987 | _filtercmd+=' -o -name "*.ko.xz"' |
4073c815 HH |
988 | _filtercmd+=' 2>/dev/null' |
989 | else | |
990 | _filtercmd='cut -d " " -f 1 </proc/modules|xargs modinfo -F filename ' | |
991 | _filtercmd+='-k $kernel 2>/dev/null' | |
992 | fi | |
993 | for _modname in $(eval $_filtercmd); do | |
994 | case $_modname in | |
995 | *.ko) "$2" "$_modname" && echo "$_modname";; | |
996 | *.ko.gz) gzip -dc "$_modname" > $initdir/$$.ko | |
997 | $2 $initdir/$$.ko && echo "$_modname" | |
998 | rm -f $initdir/$$.ko | |
999 | ;; | |
7fffc9f1 JB |
1000 | *.ko.xz) xz -dc "$_modname" > $initdir/$$.ko |
1001 | $2 $initdir/$$.ko && echo "$_modname" | |
1002 | rm -f $initdir/$$.ko | |
1003 | ;; | |
4073c815 HH |
1004 | esac |
1005 | done | |
1006 | ) | |
881eda69 JR |
1007 | find_kernel_modules_by_path () ( |
1008 | if ! [[ $hostonly ]]; then | |
1009 | find "$srcmods/kernel/$1" "$srcmods/extra" "$srcmods/weak-updates" \ | |
7fffc9f1 | 1010 | -name "*.ko" -o -name "*.ko.gz" -o -name "*.ko.xz" 2>/dev/null |
881eda69 JR |
1011 | else |
1012 | cut -d " " -f 1 </proc/modules \ | |
1013 | | xargs modinfo -F filename -k $kernel 2>/dev/null | |
1014 | fi | |
1015 | ) | |
4073c815 | 1016 | |
ceebd9ac JR |
1017 | filter_kernel_modules () { |
1018 | filter_kernel_modules_by_path drivers "$1" | |
1019 | } | |
240cc7c4 | 1020 | |
881eda69 JR |
1021 | find_kernel_modules () { |
1022 | find_kernel_modules_by_path drivers | |
1023 | } | |
1024 | ||
ddfd1d10 | 1025 | # install kernel modules along with all their dependencies. |
6fa0c3d6 | 1026 | instmods() { |
0c1a8ebc | 1027 | [[ $no_kernel = yes ]] && return |
c32bda6b MS |
1028 | # called [sub]functions inherit _fderr |
1029 | local _fderr=9 | |
881eda69 JR |
1030 | |
1031 | function inst1mod() { | |
1032 | local _mod="$1" | |
29b10e65 | 1033 | case $_mod in |
0b706743 | 1034 | =*) |
cc02093d | 1035 | # This introduces 2 incompatible meanings for =* arguments |
74534e19 | 1036 | # to instmods. We need to decide which one to keep. |
29b10e65 | 1037 | if [[ $_mod = =ata && -f $srcmods/modules.block ]]; then |
0024702f JR |
1038 | ( [[ "$_mpargs" ]] && echo $_mpargs |
1039 | egrep 'ata|ahci' "${srcmods}/modules.block" ) \ | |
881eda69 | 1040 | | instmods |
29b10e65 | 1041 | elif [ -f $srcmods/modules.${_mod#=} ]; then |
0024702f JR |
1042 | ( [[ "$_mpargs" ]] && echo $_mpargs |
1043 | cat "${srcmods}/modules.${_mod#=}" ) \ | |
881eda69 | 1044 | | instmods |
cc02093d | 1045 | else |
0024702f JR |
1046 | ( [[ "$_mpargs" ]] && echo $_mpargs |
1047 | find "$srcmods" -path "*/${_mod#=}/*" ) \ | |
881eda69 | 1048 | | instmods |
cc02093d HH |
1049 | fi |
1050 | ;; | |
0024702f | 1051 | --*) _mpargs+=" $_mod" ;; |
881eda69 | 1052 | i2o_scsi) return ;; # Do not load this diagnostic-only module |
29b10e65 | 1053 | *) _mod=${_mod##*/} |
881eda69 | 1054 | |
6568d86a | 1055 | # if we are already installed, skip this module and go on |
cc02093d | 1056 | # to the next one. |
881eda69 JR |
1057 | [[ -f $initdir/$1 ]] && return |
1058 | ||
cc02093d HH |
1059 | # If we are building a host-specific initramfs and this |
1060 | # module is not already loaded, move on to the next one. | |
29b10e65 | 1061 | [[ $hostonly ]] && ! grep -qe "\<${_mod//-/_}\>" /proc/modules \ |
881eda69 JR |
1062 | && ! echo $add_drivers | grep -qe "\<${_mod}\>" \ |
1063 | && return | |
04b56f3a | 1064 | |
cc02093d HH |
1065 | # We use '-d' option in modprobe only if modules prefix path |
1066 | # differs from default '/'. This allows us to use Dracut with | |
1067 | # old version of modprobe which doesn't have '-d' option. | |
881eda69 | 1068 | local _moddirname=${srcmods%%/lib/modules/*} |
29b10e65 | 1069 | [[ -n ${_moddirname} ]] && _moddirname="-d ${_moddirname}/" |
0b706743 | 1070 | |
cc02093d HH |
1071 | # ok, load the module, all its dependencies, and any firmware |
1072 | # it may require | |
29b10e65 | 1073 | for_each_kmod_dep install_kmod_with_fw $_mod \ |
f4ca564b | 1074 | --set-version $kernel ${_moddirname} $_mpargs |
29b10e65 | 1075 | ((_ret+=$?)) |
cc02093d | 1076 | ;; |
0b706743 | 1077 | esac |
881eda69 JR |
1078 | } |
1079 | ||
f9708da2 JR |
1080 | function instmods_1() { |
1081 | local _ret=0 _mod _mpargs | |
1082 | if (($# == 0)); then # filenames from stdin | |
1083 | while read _mod; do | |
1084 | inst1mod "${_mod%.ko*}" | |
1085 | done | |
1086 | fi | |
1087 | while (($# > 0)); do # filenames as arguments | |
1088 | inst1mod ${1%.ko*} | |
1089 | shift | |
881eda69 | 1090 | done |
f9708da2 JR |
1091 | return $_ret |
1092 | } | |
1093 | ||
c32bda6b MS |
1094 | # Capture all stderr from modprobe to _fderr. We could use {var}>... |
1095 | # redirections, but that would make dracut require bash4 at least. | |
1096 | eval "( instmods_1 \"\$@\" ) ${_fderr}>&1" \ | |
f9708da2 JR |
1097 | | egrep -v 'FATAL: Module .* not found.' | derror |
1098 | return $? | |
0b706743 | 1099 | } |